Many places to improve but I see that it is digital so I don't know if it can be done the way I suggest. The trash can seems too dark, I think you should be able to see a little bit of detail on it. The train is also too dark, if you cut out just the train, you wouldn't be able to tell that is a train. If it were film, I would probably print it more stops down and burn the light spaces, or you could do it the same and dodge the train and the trash can, but I think that that is a little harder.
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